import Vue from 'vue'
import Vuex from 'vuex'

Vue.use(Vuex)

export default new Vuex.Store({
  state: {
    letter:""
  },
  mutations: {
    chengLetter(state,letter){
      state.letter=letter;
    }
  },
  actions: {
    chengLetter(ctx,letter){
      ctx.commit("chengLetter",letter)
    }
  }
})
